Claims
- 1. In a floating reamer including
- a shank member having a longitudinal axis, said shank member being rotatable about said longitudinal axis,
- a head member including cutting means thereon operatively mounted upon said shank member, and
- connecting means mounting said head member on said shank member for joint rotation about said longitudinal axis, the improvement wherein said connecting means comprise:
- a terminal end portion having a generally cylindrical outer wall extending from an end of one of said head member and said shank member;
- an annular wall having a generally cylindrical inner surface extending from the other of said head member and said shank member;
- said terminal end portion extending to within said annular wall with said cylindrical outer wall of said terminal end portion surrounded by said cylindrical inner surface of said annular wall;
- said annular wall and said cylindrical outer wall being dimensioned to define an annular radial gap therebetween to enable relative movement between said head member and said shank member radially of said longitudinal axis;
- wall means defining a bore extending completely through said terminal end portion radially of said longitudinal axis;
- a pin extending through said bore radially beyond said cylindrical outer wall of said terminal end portion;
- antifriction roller bearing means operatively mounted between said pin and said wall means defining said bore; and
- means fixedly mounting said pin in said annular wall;
- said roller bearing means being snugly fitted between said pin and said wall means to enable said radial relative movement between said head member and said shank member while preventing axial play therebetween in the direction of said longitudinal axis; and
- abutment wall means maintained in abutting engagement between said head member and said shank member by said connecting means, said abutment wall means being arranged such that the abuting pressure therebetween is increased by forces tending to move said head member and said shank member toward each other.
- 2. A reamer according to claim 1 further including resilient means between said pin and said annular wall for elastically damping said radial relative movement between said shank member and said head member.
Priority Claims (1)
Number |
Date |
Country |
Kind |
2549325 |
Nov 1975 |
DEX |
|
Parent Case Info
This application is a continuation-in-part of our copending application Ser. No. 738,327, filed Nov. 2, 1976, and now U.S. Pat. No. 4,102,594, issued July 25, 1978.
US Referenced Citations (3)
Foreign Referenced Citations (2)
Number |
Date |
Country |
664304 |
Aug 1938 |
DE2 |
2436501 |
Dec 1976 |
DEX |
Continuation in Parts (1)
|
Number |
Date |
Country |
Parent |
738327 |
Nov 1976 |
|